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| author | Mike Sager <sager@netapp.com> | 2009-12-17 12:06:26 -0500 |
|---|---|---|
| committer | Trond Myklebust <Trond.Myklebust@netapp.com> | 2010-02-10 08:30:54 -0500 |
| commit | 8e0d46e13833b06832395e7eacccae8af8743461 (patch) | |
| tree | 8670415c7be9a3d24e25c566b7629823cd0a38c2 /fs/nfs | |
| parent | 5a51f13adf7909caec2f8182767485c30e21364e (diff) | |
| download | linux-3.10-8e0d46e13833b06832395e7eacccae8af8743461.tar.gz linux-3.10-8e0d46e13833b06832395e7eacccae8af8743461.tar.bz2 linux-3.10-8e0d46e13833b06832395e7eacccae8af8743461.zip | |
nfs41: Adjust max cache response size value
For the CREATE_SESSION attribute ca_maxresponsesize_cached, calculate
the value based on the rpc reply header size plus the maximum nfs compound
reply size.
Signed-off-by: Mike Sager <sager@netapp.com>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
| -rw-r--r-- | fs/nfs/nfs4proc.c | 6 | ||||
| -rw-r--r-- | fs/nfs/nfs4xdr.c | 10 |
2 files changed, 11 insertions, 5 deletions
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c index 8d0c3a977c3..b829118c7e0 100644 --- a/fs/nfs/nfs4proc.c +++ b/fs/nfs/nfs4proc.c @@ -4805,16 +4805,14 @@ static void nfs4_init_channel_attrs(struct nfs41_create_session_args *args) args->fc_attrs.headerpadsz = 0; args->fc_attrs.max_rqst_sz = mxrqst_sz; args->fc_attrs.max_resp_sz = mxresp_sz; - args->fc_attrs.max_resp_sz_cached = mxresp_sz; args->fc_attrs.max_ops = NFS4_MAX_OPS; args->fc_attrs.max_reqs = session->clp->cl_rpcclient->cl_xprt->max_reqs; dprintk("%s: Fore Channel : max_rqst_sz=%u max_resp_sz=%u " - "max_resp_sz_cached=%u max_ops=%u max_reqs=%u\n", + "max_ops=%u max_reqs=%u\n", __func__, args->fc_attrs.max_rqst_sz, args->fc_attrs.max_resp_sz, - args->fc_attrs.max_resp_sz_cached, args->fc_attrs.max_ops, - args->fc_attrs.max_reqs); + args->fc_attrs.max_ops, args->fc_attrs.max_reqs); /* Back channel attributes */ args->bc_attrs.headerpadsz = 0; diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index e437fd6a819..020ebf15118 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -1578,6 +1578,14 @@ static void encode_create_session(struct xdr_stream *xdr, char machine_name[NFS4_MAX_MACHINE_NAME_LEN]; uint32_t len; struct nfs_client *clp = args->client; + u32 max_resp_sz_cached; + + /* + * Assumes OPEN is the biggest non-idempotent compound. + * 2 is the verifier. + */ + max_resp_sz_cached = (NFS4_dec_open_sz + RPC_REPHDRSIZE + + RPC_MAX_AUTH_SIZE + 2) * XDR_UNIT; len = scnprintf(machine_name, sizeof(machine_name), "%s", clp->cl_ipaddr); @@ -1592,7 +1600,7 @@ static void encode_create_session(struct xdr_stream *xdr, *p++ = cpu_to_be32(args->fc_attrs.headerpadsz); /* header padding size */ *p++ = cpu_to_be32(args->fc_attrs.max_rqst_sz); /* max req size */ *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz); /* max resp size */ - *p++ = cpu_to_be32(args->fc_attrs.max_resp_sz_cached); /* Max resp sz cached */ + *p++ = cpu_to_be32(max_resp_sz_cached); /* Max resp sz cached */ *p++ = cpu_to_be32(args->fc_attrs.max_ops); /* max operations */ *p++ = cpu_to_be32(args->fc_attrs.max_reqs); /* max requests */ *p++ = cpu_to_be32(0); /* rdmachannel_attrs */ |